| Subject | [PATCH 55 of 66] select CONFIG_COMPACTION if TRANSPARENT_HUGEPAGE enabled | Date | Wed, 03 Nov 2010 16:28:30 +0100 | From | Andrea Arcangeli <> |
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From: Andrea Arcangeli <aarcange@redhat.com>
With transparent hugepage support we need compaction for the "defrag" sysfs controls to be effective.
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com> ---
diff --git a/mm/Kconfig b/mm/Kconfig --- a/mm/Kconfig +++ b/mm/Kconfig @@ -305,6 +305,7 @@ config NOMMU_INITIAL_TRIM_EXCESS config TRANSPARENT_HUGEPAGE bool "Transparent Hugepage Support" depends on X86 && MMU + select COMPACTION help Transparent Hugepages allows the kernel to use huge pages and huge tlb transparently to the applications whenever possible.
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